In the international number system, the place value table is divided into hundreds, thousands and millions. Globally, the quantities are expressed in terms of ones, tens, hundreds, thousands, millions, billions etc.

In Indian system, we have periods as Ones, Thousands, Lakhs and Crores

in international system of numeration we have ones, tens, hundreds, thousands and then millions.commas are used after every three digits from the right.In indian system of numeration we use ones,tens,hundreds,thousands and then lakhs and crores.the first comma comes after hundreds place(three digits from the right).the second comma comes two digits later(five digits from the right) the third comma comes after another two digits and so on.